Home / 152,197.03-209,984.30-91,786.15

Finding the Fourth Proportional to 152,197.03, 209,984.30 and 91,786.15

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Solution

The fourth proportional to 152,197.03, 209,984.30 and 91,786.15 is: 126,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,197.03 : 209,984.30 = 91,786.15 : x
  2. Step 2: Convert to fraction form
    152,197.03/209,984.30 = 91,786.15/x
  3. Step 3: Cross multiply
    152,197.03x = 209,984.30 × 91,786.15
  4. Step 4: Simplify right side
    152,197.03x = 19,273,649,998.51
  5. Step 5: Solve for x
    x = 19,273,649,998.51/152,197.03
  6. Step 6: Final answer
    x = 126,636.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.